The real single frequency sinusoidal signal under white Gaussian noise is common signal in industry.This paper presents a new method for phase estimation of sinusoidal signal based on bispectrum.

• 高斯噪声背景下的单频实正弦波信号是工业现场遇到较多的一类信号,本文针对此类信号提出了一种基于双谱分析的正弦波初相估计方法。